#include <unistd.h>
#include <limits.h>
#include <sys/time.h>
-#ifdef WIN32
-#include <objbase.h>
-#include "DeckLinkAPI_h.h"
-#else
-#include "DeckLinkAPI.h"
-#endif
-
-#define SAFE_RELEASE(V) if (V) { V->Release(); V = NULL; }
+#include "common.h"
class DeckLinkProducer
: public IDeckLinkInputCallback
int m_colorspace;
int m_vancLines;
mlt_cache m_cache;
+ bool m_reprio;
BMDDisplayMode getDisplayMode( mlt_profile profile, int vancLines )
{
if ( width == profile->width && p == profile->progressive
&& ( height + vancLines == profile->height || ( height == 486 && profile->height == 480 + vancLines ) )
- && fps == mlt_profile_fps( profile ) )
+ && (int) fps == (int) mlt_profile_fps( profile ) )
result = mode->GetDisplayMode();
SAFE_RELEASE( mode );
}
DeckLinkProducer()
{
+ m_producer = NULL;
m_decklink = NULL;
m_decklinkInput = NULL;
}
- ~DeckLinkProducer()
+ virtual ~DeckLinkProducer()
{
if ( m_queue )
{
SAFE_RELEASE( m_decklink );
}
- bool listDevices( mlt_properties properties )
- {
- IDeckLinkIterator* decklinkIterator = NULL;
- try
- {
- int i = 0;
-#ifdef WIN32
- HRESULT result = CoInitialize( NULL );
- if ( FAILED( result ) )
- throw "COM initialization failed";
- result = CoCreateInstance( CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**) &decklinkIterator );
- if ( FAILED( result ) )
- throw "The DeckLink drivers are not installed.";
-#else
- decklinkIterator = CreateDeckLinkIteratorInstance();
- if ( !decklinkIterator )
- throw "The DeckLink drivers are not installed.";
-#endif
- for ( ; decklinkIterator->Next( &m_decklink ) == S_OK; i++ )
- {
- if ( m_decklink->QueryInterface( IID_IDeckLinkInput, (void**) &m_decklinkInput ) == S_OK )
- {
- char *name = NULL;
- if ( m_decklink->GetModelName( (const char**) &name ) == S_OK )
- {
- const char *format = "device.%d";
- char *key = (char*) calloc( 1, strlen( format ) + 1 );
-
- sprintf( key, format, i );
- mlt_properties_set( properties, key, name );
- free( key );
- free( name );
- }
- SAFE_RELEASE( m_decklinkInput );
- }
- SAFE_RELEASE( m_decklink );
- }
- SAFE_RELEASE( decklinkIterator );
- mlt_properties_set_int( properties, "devices", i );
- return true;
- }
- catch ( const char *error )
- {
- SAFE_RELEASE( decklinkIterator );
- mlt_log_error( getProducer(), "%s\n", error );
- return false;
- }
- }
-
bool open( unsigned card = 0 )
{
IDeckLinkIterator* decklinkIterator = NULL;
if ( !decklinkIterator )
throw "The DeckLink drivers are not installed.";
#endif
-
// Connect to the Nth DeckLink instance
for ( unsigned i = 0; decklinkIterator->Next( &m_decklink ) == S_OK ; i++)
{
pthread_mutex_unlock( &m_mutex );
m_decklinkInput->StopStreams();
+ m_decklinkInput->DisableVideoInput();
+ m_decklinkInput->DisableAudioInput();
// Cleanup queue
pthread_mutex_lock( &m_mutex );
mlt_frame getFrame()
{
- mlt_frame frame = NULL;
struct timeval now;
struct timespec tm;
double fps = mlt_producer_get_fps( getProducer() );
mlt_position position = mlt_producer_position( getProducer() );
- mlt_cache_item cached = mlt_cache_get( m_cache, (void*) position );
+ mlt_frame frame = mlt_cache_get_frame( m_cache, position );
// Allow the buffer to fill to the requested initial buffer level.
if ( m_isBuffering )
pthread_mutex_unlock( &m_mutex );
}
- if ( cached )
- {
- // Copy cached frame instead of pulling from queue
- frame = mlt_frame_clone( (mlt_frame) mlt_cache_item_data( cached, NULL ), 0 );
- mlt_cache_item_close( cached );
- }
- else
+ if ( !frame )
{
// Wait if queue is empty
pthread_mutex_lock( &m_mutex );
// add to cache
if ( frame )
- mlt_cache_put( m_cache, (void*) position, mlt_frame_clone( frame, 1 ), 0,
- (mlt_destructor) mlt_frame_close );
+ {
+ mlt_frame_set_position( frame, position );
+ mlt_cache_put_frame( m_cache, frame );
+ }
}
// Set frame timestamp and properties
IDeckLinkVideoInputFrame* video,
IDeckLinkAudioInputPacket* audio )
{
+ if( !m_reprio )
+ {
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( getProducer() );
+
+ if ( mlt_properties_get( properties, "priority" ) )
+ {
+ int r;
+ pthread_t thread;
+ pthread_attr_t tattr;
+ struct sched_param param;
+
+ pthread_attr_init(&tattr);
+ pthread_attr_setschedpolicy(&tattr, SCHED_FIFO);
+
+ if ( !strcmp( "max", mlt_properties_get( properties, "priority" ) ) )
+ param.sched_priority = sched_get_priority_max(SCHED_FIFO) - 1;
+ else if ( !strcmp( "min", mlt_properties_get( properties, "priority" ) ) )
+ param.sched_priority = sched_get_priority_min(SCHED_FIFO) + 1;
+ else
+ param.sched_priority = mlt_properties_get_int( properties, "priority" );
+
+ pthread_attr_setschedparam(&tattr, ¶m);
+
+ thread = pthread_self();
+
+ r = pthread_setschedparam(thread, SCHED_FIFO, ¶m);
+ if( r )
+ mlt_log_verbose( getProducer(),
+ "VideoInputFrameArrived: pthread_setschedparam returned %d\n", r);
+ else
+ mlt_log_verbose( getProducer(),
+ "VideoInputFrameArrived: param.sched_priority=%d\n", param.sched_priority);
+ };
+
+ m_reprio = true;
+ };
+
if ( mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "preview" ) &&
mlt_producer_get_speed( getProducer() ) == 0.0 && !mlt_deque_count( m_queue ))
{
for ( int i = 1; i < m_vancLines + 1; i++ )
{
if ( vanc->GetBufferForVerticalBlankingLine( i, &buffer ) == S_OK )
- swab( (char*) buffer, (char*) image + ( i - 1 ) * video->GetRowBytes(), video->GetRowBytes() );
+ swab2( (char*) buffer, (char*) image + ( i - 1 ) * video->GetRowBytes(), video->GetRowBytes() );
else
mlt_log_debug( getProducer(), "failed capture vanc line %d\n", i );
}
if ( image && buffer )
{
size = video->GetRowBytes() * video->GetHeight();
- swab( (char*) buffer, (char*) image + m_vancLines * video->GetRowBytes(), size );
+ swab2( (char*) buffer, (char*) image + m_vancLines * video->GetRowBytes(), size );
mlt_frame_set_image( frame, (uint8_t*) image, size, mlt_pool_release );
}
else if ( image )
IDeckLinkTimecode* timecode = 0;
if ( video->GetTimecode( bmdTimecodeVITC, &timecode ) == S_OK && timecode )
{
- const char* timecodeString = 0;
+ DLString timecodeString = 0;
-#ifdef WIN32
- if ( timecode->GetString( (BSTR*) &timecodeString ) == S_OK )
-#else
if ( timecode->GetString( &timecodeString ) == S_OK )
-#endif
{
- mlt_properties_set( MLT_FRAME_PROPERTIES( frame ), "meta.attr.vitc.markup", timecodeString );
- mlt_log_debug( getProducer(), "timecode %s\n", timecodeString );
+ char* s = getCString( timecodeString );
+ mlt_properties_set( MLT_FRAME_PROPERTIES( frame ), "meta.attr.vitc.markup", s );
+ mlt_log_debug( getProducer(), "timecode %s\n", s );
+ freeCString( s );
}
- if ( timecodeString )
- free( (void*) timecodeString );
+ freeDLString( timecodeString );
SAFE_RELEASE( timecode );
}
}
{
mlt_frame_close( frame );
mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( getProducer() ), "dropped", ++m_dropped );
- mlt_log_warning( getProducer(), "frame dropped %d\n", m_dropped );
+ mlt_log_warning( getProducer(), "buffer overrun, frame dropped %d\n", m_dropped );
}
pthread_mutex_unlock( &m_mutex );
}
*frame = mlt_frame_init( MLT_PRODUCER_SERVICE(producer) );
// Calculate the next timecode
- mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
mlt_producer_prepare_next( producer );
// Close DeckLink if at end
extern "C" {
+// Listen for the list_devices property to be set
+static void on_property_changed( void*, mlt_properties properties, const char *name )
+{
+ IDeckLinkIterator* decklinkIterator = NULL;
+ IDeckLink* decklink = NULL;
+ IDeckLinkInput* decklinkInput = NULL;
+ int i = 0;
+
+ if ( name && !strcmp( name, "list_devices" ) )
+ mlt_event_block( (mlt_event) mlt_properties_get_data( properties, "list-devices-event", NULL ) );
+ else
+ return;
+
+#ifdef WIN32
+ if ( FAILED( CoInitialize( NULL ) ) )
+ return;
+ if ( FAILED( CoCreateInstance( CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, IID_IDeckLinkIterator, (void**) &decklinkIterator ) ) )
+ return;
+#else
+ if ( !( decklinkIterator = CreateDeckLinkIteratorInstance() ) )
+ return;
+#endif
+ for ( ; decklinkIterator->Next( &decklink ) == S_OK; i++ )
+ {
+ if ( decklink->QueryInterface( IID_IDeckLinkInput, (void**) &decklinkInput ) == S_OK )
+ {
+ DLString name = NULL;
+ if ( decklink->GetModelName( &name ) == S_OK )
+ {
+ char *name_cstr = getCString( name );
+ const char *format = "device.%d";
+ char *key = (char*) calloc( 1, strlen( format ) + 1 );
+
+ sprintf( key, format, i );
+ mlt_properties_set( properties, key, name_cstr );
+ free( key );
+ freeDLString( name );
+ freeCString( name_cstr );
+ }
+ SAFE_RELEASE( decklinkInput );
+ }
+ SAFE_RELEASE( decklink );
+ }
+ SAFE_RELEASE( decklinkIterator );
+ mlt_properties_set_int( properties, "devices", i );
+}
+
/** Initialise the producer.
*/
// If allocated and initializes
if ( decklink && !mlt_producer_init( producer, decklink ) )
{
- if ( decklink->listDevices( MLT_PRODUCER_PROPERTIES( producer ) ) &&
- decklink->open( arg? atoi( arg ) : 0 ) )
+ if ( decklink->open( arg? atoi( arg ) : 0 ) )
{
mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
mlt_properties_set_int( properties, "length", INT_MAX );
mlt_properties_set_int( properties, "out", INT_MAX - 1 );
mlt_properties_set( properties, "eof", "loop" );
+
+ mlt_event event = mlt_events_listen( properties, properties, "property-changed", (mlt_listener) on_property_changed );
+ mlt_properties_set_data( properties, "list-devices-event", event, 0, NULL, NULL );
}
}
projects / mlt / blobdiff